Inbox Sync Opt-Out
Emily Lane
February 18, 2025
By default, Email and Inbox channels that make up the same notification template synced event statuses. This meant that if a notification was sent with an in-app inbox and email channel, opening an email will mark the in-app inbox notification as read. Courier Inbox and email events can now be un-synced when sent simultaneously.
Learn more: Channel Settings · why cross-channel read receipts are hard to get right
More updates
Redesigned Preferences Editor and hosted preference center
Build, preview, and launch a branded notification preference center with no frontend code.
By Emily Lane
July 18, 2026
Experiments: A/B Testing in Journeys
Run 2 to 10 message variants on a single send node in a journey, split live traffic by weight, compare per-variant results, and promote the one you want.
By Emily Lane
July 09, 2026
AI Localization
Localize Courier templates in seconds with AI Translation, now available in Design Studio for email, SMS, push, in-app, and chat.
By Emily Lane
June 29, 2026
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